﻿using System;
using System.Windows;
using Shell.AuthenticationServiceReference;
using Infrastructure;

namespace Shell
{
    public partial class App : Application
    {
        
        public App()
        {
            this.Startup += this.Application_Startup;
            this.Exit += this.Application_Exit;
            this.UnhandledException += this.Application_UnhandledException;

            InitializeComponent();
        }

        private void Application_Startup(object sender, StartupEventArgs e)
        {
            //
            // communication with authentication service and get username
            //
            
            LRILAuthenticationServiceClient las = new LRILAuthenticationServiceClient();
            las.GetUsernameCompleted += las_GetUsernameCompleted;
            las.GetUsernameAsync();


            Bootstrapper bootstrapper = new Bootstrapper();
            bootstrapper.Run();
        }

        void las_GetUsernameCompleted(object sender, GetUsernameCompletedEventArgs e)
        {
             GlobalVars.Username = e.Result.ToString();

            // Add code here to query the database to see if this username exist
            // and if not, open a modal dialog asking the user to fill in info.
            // If it is found then load the data into GlobalVars.


        }

        private void Application_Exit(object sender, EventArgs e)
        {
        }

        private void Application_UnhandledException(object sender, ApplicationUnhandledExceptionEventArgs e)
        {
            // If the app is running outside of the debugger then report the exception using
            // the browser's exception mechanism. On IE this will display it a yellow alert 
            // icon in the status bar and Firefox will display a script error.
            if (!System.Diagnostics.Debugger.IsAttached)
            {
                // NOTE: This will allow the application to continue running after an exception has been thrown
                // but not handled. 
                // For production applications this error handling should be replaced with something that will 
                // report the error to the website and stop the application.
                e.Handled = true;
                Deployment.Current.Dispatcher.BeginInvoke(delegate { ReportErrorToDOM(e); });
            }
        }

        private void ReportErrorToDOM(ApplicationUnhandledExceptionEventArgs e)
        {
            try
            {
                string errorMsg = e.ExceptionObject.Message + e.ExceptionObject.StackTrace;
                errorMsg = errorMsg.Replace('"', '\'').Replace("\r\n", @"\n");

                System.Windows.Browser.HtmlPage.Window.Eval("throw new Error(\"Unhandled Error in Silverlight Application " + errorMsg + "\");");
            }
            catch (Exception)
            {
            }
        }
    }
}
